baber/WOPTO huggingface dataset:
Patent DE-2461994-A1 (DE)
Title: Transistorised receiving antenna - has matching cct. to transform imped. to optimise receiver signal to noise ratio
Inventor: MEINKE HANS HEINRICH PROF DR
IPC: H01Q23/00
Filed: 1974-05-16
Abstract: The transistorised receive antenna has its rod broken into two parts (1, 2) and a matching circuit (A) connected into the gap between parts. A transistor (T) is connected after the matching circuit. The matching circuit transforms the antenna's impedance at the gap such that the impedance at the matching circuit's output is equal to the impedance that gives the best signal to noise ratio at the output of the transistor. The antenna is broken at a point that makes the antenna's impedance at this break the closest approximate to the best possible receive power for the transistor.
Patent DE-2504140-A1 (DE)
Title: Automatic cleaning of radiator grilles on harvesting machines - involves foot pedal actuate servo to reverse air flow from fan
Inventor: HYNEK VLADIMIR DIPL ING
IPC: F01P11/12
Filed: 1975-01-31
Abstract: On agricultural harvesting machines the cooling radiator has a protective mesh cover to prevent the induction of particles. The engine drives a fan with blades that may be rotated about their shafts. The blade shaft ends are cranked and locate in a sliding sleeve. A rod is tied to the sleeve and the other end of the rod is coupled to the piston of a servo-cylinder. A control valve is actuated by foot pedal operation to supply flow to the cylinder. In normal operation flow is drawn across the radiator to cool the engine. If the protective mesh becomes clogged with particles, the foot pedal is operated to actuate the sleeve and reverse the blade positions. This results in the air flow being reversed to clean the radiator mesh.
Patent DE-2513051-A1 (DE)
Title: Pencil sharpener with catcher vessel - has spring loaded sliding cover sealing off pencil opening
IPC: F24C3/10
Filed: 1975-03-25
Abstract: The opening (8) through which the pencil tip is inserted is closed by a sliding cover (9) opened against spring action (6). In the open position, an aperture in the cover (16) is in line with the opening (8). The cover can be in the form of a sliding sleeve (3) forming part of the catcher vessel (1) and working between two end stops. The spring is mounted between the sleeve end wall (4) and the inner end wall (5) of the vessel, both vessel and sleeve being of square section. The wall (14) of the vessel incorporating the sharpening opening can be extended beyond the inner end wall so as to close the aperture in the cover in the rest position.
Patent DE-2515676-A1 (DE)
Title: Multicore HF flat cable with defined loss - employing good bond between conductor and leakage path is used as control line for regulating motion of driverless trolleys
Inventor: SCHIRMER Karl
IPC: H01B7/08
Filed: 1975-04-10
Abstract: The cable is composed of several conductors (7, 8, 9) each of which is in two parts mounted on either side of a semiconductor layer (10). This layer is perforated along the line of the conductor, and the conductor sections are welded together through these openings. This ensures that the sections are in intimate contact both with one another and with the semiconducting layer. The whole cable may then be covered with a common insulation sleeve (12). The resistance is chosen such that the required degree of attenuation is provided by the semiconducting layer, and the construction ensures the linear accuracy of the attenuation. The application is typically to the control of driverless trolleys and similar devices, and is intended to accurately fix the distance from the transmitter over which the control is effective.
Patent DE-2518384-A1 (DE)
Title: Silencer for compressed air pressure regulator - is attached to exhaust sleeve by clamp ring with flexible collar
Inventor: GRAUEL INGOLF DIPL ING
IPC: B60T17/00
Filed: 1975-04-25
Abstract: The compressed air system for a vehicle is equipped with a pressure regulator (1). The exit port of the regulator has an external cylindrical sleeve (29'). A tubular silencer body (26) is attached to the exit sleeve by means of a clamp ring and a flexible spacer collar (31). The silencer element (14") is located inside the tubular body (26) with the help of an external flange in order that the exhausting air from the pressure regulator flows through it. In this way the high pressure air flow from the compressor which reaches the exhaust port is expanded inside the silencer element thus reducing the noise of high velocity air flow.
Patent DE-2521125-A1 (DE)
Title: Suction plate handling grab - is lifted by screwed spindle while sliding on further guide spindle
Inventor: GERTH HAGEN ING GRAD
IPC: B65G47/91
Filed: 1975-05-13
Abstract: The plate handling grab is lifted by a screwed spindle (2) and slides on a guide spindle (4). It can be slewed by a ram, its suction cups being arranged in an H- or X-pattern. The linkage to the grab can be so arranged as to move the plate without slewing it. The design can handle any shape of plate, needing no manual control. The screwed spindle is driven by a motor which is integral with the grab.
Patent DE-2522364-A1 (DE)
Title: Vehicle anti-theft device connected to ignition key - with protective leads in same insulation sheath and security circuit powered from small battery
Inventor: SCHULTE FRANZ JOSEF
IPC: B60R25/04
Filed: 1975-05-21
Abstract: The anti-theft safeguard is for motor vehicles of all types, including motor cycles. It is used ie. with a starter or ignition device activated by an ignition key via a contact lead. The leads concerned are sucured by protective leads (SL), in the same insulating material, so that when an attempt is made to tap or separate, bridging and/or separation of one or more protective leads takes place, activating a security circuit (4) in an indestructible housing. This immediately breaks the lead concerned, and holds it in this state by means of a self-retaining circuit. Energy for this is drawn from a separate small battery (a) also sited in the indestructible housing.
Patent DE-2529062-A1 (DE)
Title: Hypo-eutectic aluminium silicon alloy - contg. zirconium for improved creep strength
Inventor: DEUBELBEISS ERNST ING GRAD
IPC: C22C21/02
Filed: 1975-06-30
Abstract: The alloy contains 0.01-0.1% Zr. The alloy may be used for internal combustion engine components, partic. pistons. It shows improved ductility, hardness, and creep strength over the alloys previously claimed. In an example, an alloy contained 10.2% Si, 4.5% Cu, 0.8% Ni, 0.1% Mn, 0.6% Mg, 0.08% Zr, balance Al.
Patent DE-2535722-A1 (DE)
Title: Data transmission system error reduction circuit - verifies correct binary value of signal within specified time-slot compared with interference
Inventor: DUELL ERNST DR ING
IPC: H04L1/20
Filed: 1975-08-09
Abstract: The error-reduction circuit for data transmission systems subject to interference uses a test period of a certain length which is longer than the duration of any possible interfering signal. Only signals of the correct binary value, occuring within the specified time-slot, are allowed to pass to the data processing equipment. Each incoming data line is connected to a store and comparator which gives an output if each line has its correct binary value. The output of the store is connected to the comparator and a further register. The output of the comparator is connected to a multivibrator and, via an XOR gate, a D-type flip-flop. The non-inverted output of the flip-flop is connected to a channel control line.
Patent DE-2539714-A1 (DE)
Title: Lock mechanism for container holding valuables - is operated by client key and by central control system
Inventor: ERPELDING KARL-HEINZ
IPC: E05B35/12
Filed: 1975-09-06
Abstract: The lock operated by a client key can be blocked for actuation by a control system. Should the latter fail in the blocking position it is still possible to open the lock by a maser key. The locking plate (4) has opening (6) for client key. The client key pushes the locking plate (4) together with sliding bolt (3) from its control position into a releasing position. The key pushes against the front flanks (8) of the plate on reversing into the locking position. On further reversing rotation the actuating element (5) is returned to the initial position. High actuating reliability is ensured by the absence of springs between the sliding locking bolt and locking plate.
Patent DE-2544807-A1 (DE)
Title: Train location system on railway line - has line sections provided with line loops for parallel tracks to eliminate location errors
Inventor: SCHWARZWAELDER JOERG DIPL ING
IPC: B61L25/02
Filed: 1975-10-07
Abstract: The electronic system is used to give accurate location of a train on a railway track. In order to locate a train, the line loops send to the trains in the respective line section signals from the control station specific to the section. A short line loop is inserted between two long line sections. It is separately connected to the control station. Signals are applied exclusively to these line loops. The short loops give an accurate location of the train of these points.
Patent DE-2546293-A1 (DE)
Title: Gas laser pulsed transversal excitation electrodes - consist of alternate arrays of bars and pins with high conductivity tips
Inventor: PREIN FRANZ DIPL PHYS
IPC: H01S3/03
Filed: 1975-10-16
Abstract: The electrode groups are mounted on an insulating support and connected with each other. The first group consists of parallel bars and serves as a cathode for the main discharge. The second alternates with the bars and consists of parallel rows of pins for generation of a predischarge. The top ends of the fins project between the bars, and the bases of the fins are embedded in the insulator where they are connected with each other. Recesses on the bar electrode sides facing the insulator are open and limited by the insulator. Rows of pins are provided near the recesses as in 2523153 Pins for the predischarge generation in the row (2) are made of a resistance material coated at the tip with a good conducting material, and the insulator (3) consists of a metal plate with an insulating coat on it.
Patent DE-2546795-A1 (DE)
Title: Rotation direction indicator for enclosed 3 phase motors - has star connected inductive pickup near motor stator winding
Inventor: PRITSCH ECKHARD DIPL ING
IPC: G01R31/34
Filed: 1975-10-18
Abstract: The rotational direction indicator circuit for three-phase motors is esp. useful in determining direction of rotation of totally-enclosed motors installed in appts. employed in unfavourable environments. A star-connected inductive pick-up coil (5) is placed in the vicinity of the motor stator windings. One phase of the pick-up coil is connected to earth. An adjustable arrangement of capacitors is connected in parallel across the phases for selection of resonant frequency of 1 kHz or 100 Hz. Each of the two-phase outputs are amplified in operational amplifiers, a transistor stage and output drive transformers. The transformers operate an indicator (7).
Patent DE-2550106-A1 (DE)
Title: Calcium chloride hexahydrate for air-conditioning plant - where barium hydroxide octahydrate is added to reduce thermal hysteresis
Inventor: ISHIHARA HEIGO
IPC: A01G9/24
Filed: 1975-11-07
Abstract: Heat storage matl. comprises CaCl2.6H2O with, as a nucleating agent or seed, Ba(OH)2.8H2O, water-free Ba(OH)2, Sr(Og)2.8H2O or Sr(OH)2. Pref. 0.0003-10 wt % of the nucleant is used w.r.t. the wt. of the CaCl2.6H2O esp 0.01-10 wt. %, and the nucleant is pref. located on a solid, inert carrier. The pref. application for this matl. is in the regeneration device of an air-conditioning plant. CaCl2.6HO has a suitable m. pt. of 30 degrees C, and a thermal capacity per vol. unit of 78 calories/mole, it is also readily available and inexpensive. The invention reduces the thermal hysteresis normally involved in using this matl.
Patent DE-2553653-A1 (DE)
Title: Container for storing, shipping and dispensing carbonated beverages - incorporates a tightly sealing film whose area varies with atmospheric pressure
Inventor: MAYR AUGUST
IPC: B65D25/38
Filed: 1975-11-28
Abstract: A container with tap for the storing, shipping and dispensing of carbonated beverages, esp. beer is claimed. At least part of the container consists of a non-diffusive plastics foil which tightly seals the useful (i.e. filled) space of the container against the outside atmosphere and whose surface area varies with the atmospheric pressure. No special pressurised delivery equipment (e.g. compressed CO2) is necessary to dispense the content.
Patent DE-2554936-A1 (DE)
Title: Carrying strap for portable radios or tape recorders - has accidental release of strap securing pin avoided by spring force in strap
Inventor: KEHDING HEINZ
IPC: A45C13/26
Filed: 1975-12-06
Abstract: The portable radio or tape-recorder is provided with a moulded plastic bracket (3) on each end surface (2). The bracket (3) is of U section at its upper end which is fitted with a transverse pin (6). The carrying strap (10) is made of spring material and is attached at each end to a hook (8) by a pin (9). The hook (8) has a transverse groove (12) which fits around the pin (6) in the bracket (3) and the tapered portion (13) of the hook matches the sloping part (7) of the bracket. The carrying strap (10) is in the shape of a squat U and so made that the arms have to be forced outwards to fit around the brackets (3). This spring force prevents accidental release of the radio when in use.
Patent DE-2558884-A1 (DE)
Title: Ore scraper conveyor for mines - has chain drive behind sidewall and slot in wall formed by conveyor angle pan sides
Inventor: GEORG WERNER
IPC: E21F13/06
Filed: 1975-12-27
Abstract: The shuttle conveyor is for abrasive ore handling in mines and is fitted with scraper flights. They travel along a conveyor base which swing out of active into retracted positions on a drive member. The drive is situated outside the live section of the conveyor behind an upright sidewall. The scraper flights pass through a slot on this sidewall. The slot is roughly level with the conveying base. The conveyor is made up of connected angle pans whose upright legs form the sidewall with the scraper riding slot. The drive comprises a chain formed from a series of hinged rigid slide bars, each allocated one of the scraper flights.
Patent DE-2602067-A1 (DE)
Title: Battery propelled electrical moped - has combined charger and connecting cable unit on reel in mud guard (OE150975)
Inventor: MUEHLBACHER KARL DIPL ING
IPC: B60K1/04
Filed: 1976-01-21
Abstract: The charging transformer and rectifier are carried on a bearer plate fixed to the interior of a cable drum. Sliding contacts are provided to conduct the current flow from the transformer to the batteries at any position of the cable drum. Air cooling channels are provided to protect the heat sensitive parts and the inner chamber of the cable drum is sealed to prevent the intrusion of dust and water. The cable drum has a recoil spring which is tensioned as the cable is drawn out. An outer cover with outwards facing ratchet teeth and a disc carrying a spring pawl allows the cable to be withdrawn.
Patent DE-2604212-A1 (DE)
Title: Force reducer for paper cutting guillotine beam - senses beam load generating signal for actuator to halt operation if operators hand is near
Inventor: BESENDAHL AUGUST ING GRAD
IPC: B26D7/04
Filed: 1976-02-04
Abstract: The pressure force reducer of a guillotine beam is used in paper cutting machines. The beam exerts pressure on paper stack for stabilisation purposes and its force on descending is reduced to prevent accidents to operator hand on setting. The force is reduced to a value compatible with human finger resistance independently of paper stack thickness. The beam force is measured and on the measured signal is superposed constant force signal. The resultant signal is used as control signal from an electro hydraulic pressure regulator valve. This ensures a constant pressure force on beam independently of its position.
Patent DE-2618830-A1 (DE)
Title: Thermostat controlled IR heater - has sensor embedded in body to assure accurate control and mechanical protection
IPC: H05B3/00
Filed: 1976-04-29
Abstract: The infra-red radiator of ceramic material, is designed for use with controlled heating applications, and has provision at the rear of the element for supports and electrical connections, and a thermostat for automatic control of the temp. The point of attachment (5) of the thermosensitive element is embedded in the ceramic body of the element (1) away from the regions of the fixings and connectors (2, 2'). The sensor location is midway between the supports and the outer edge of the element, and between two of the heating coils of the element. The arrangement permits maximum accuracy of temp. sensing and control with protection of the sensor from mechanical damage or oxidation and corrosion.
Patent DE-2625735-A1 (DE)
Title: Vehicle masking during rust proofing - consists of rigid frame with deformable apron of loosely connected lengths of synthetic foil
Inventor: MUENKER KARL-HEINZ
IPC: B05B12/24
Filed: 1976-06-09
Abstract: The masking cover is for the top of a vehicle during rust-proofing of its underside. The cover has a rigid frame (3), which extends over the roof and the sides of the vehicle. A derformable apron (5), is fastened to the frame to cover all surfaces to be protected. The frame is divided into overlapping sections and has length adjustable flanks. Each flank has two or three telescopic circular profiled rods, one being hollow. A traction rope (6) passes over pulleys (8, 9) and is fastened to the frame (3). The apron consists of loosely connected lengths of synthetic foil. Pads may be positioned on the roof or other car surfaces.
Patent DE-2630335-A1 (DE)
Title: Width holding and weft straightening roller - ensures efficient driving and stability of synthetic screen in paper machine
Inventor: OTTE KARL HERMANN
IPC: B65H23/025
Filed: 1976-07-06
Abstract: Rollers for width holding and weft straightening, esp. of the synthetic screens in long screen papermaking machines, have an elastic rubber trim machined with grooves inclined outwards and arranged as mirror images on each side of the centre line of the roller. Sections at each end of the roller are not profiled. The grooves may be annular or they may be arranged relatively to a central symmetrical axis, as outwards inclined, counter-running, single or multiple pitch threads. Grooves with a single or a multiple pitch may diminish in pitch in the outwards direction. In all cases the grooves are deeper than they are wide, and the trim is pref. of elastic polyurethane. The arrangement takes advantage of the merits of synthetic screens without expensive fittings. A satisfactory couple between driving rollers and screen is ensured as well as transverse stability of the fabric.
Patent DE-2632339-A1 (DE)
Title: Camouflaging material for mines - is coloured stretch film or hose stretched over mine
Inventor: GERLACH JOHANN-GOTTFRIED V DIP
IPC: F41H3/00
Filed: 1976-07-17
Abstract: The ground mines and other military devices are camouflaged with camouflage colour. The latter is applied by relatively simple means over the component. The mine or an instrument has an envelope which is stretched over it. This envelope is coloured with a camouflaging colour. This envelope can be a shrink film, esp. in the form of shrunk-on hose. The film or hose can have impressed or profiled, esp. parallel grooves or webs on its outside surface.
Patent DE-2633152-A1 (DE)
Title: Multiroll carpet shampooing machine - has interchangeable sets of rollers to adjust machine to depth of carpet pile
Inventor: HUEBBERS GEB FAAK ROSWITHA
IPC: A47L11/32
Filed: 1976-07-23
Abstract: The machine for shampooing carpets has a housing (2) formed from plastic with a socket (8) for the handle. A series of recesses (16, 18) are formed in the side walls to receive the spindles of the plastic foam rollers. Two sizes of rollers are provided. A pair of large diameter are fitted with their spindles in the recesses (18) and are used with deep pile carpets. A set of three smaller rollers can be fitted with their spindles in the recesses (16) and are used with close pile carpets. Small brushes with heads of trapezoidal cross-section can be fitted in the dove-tail grooves (32). The machine can also be used to clean windows by removing the rollers and fitting a sponge in the housing.
Patent DE-2634067-A1 (DE)
Title: Expressing filter plate - with diaphragm filter sheet having fluid passing opening protected against constriction or blockage
Inventor: KURITA TETSUYA
IPC: B01D25/21
Filed: 1976-07-29
Abstract: Expressing filter plate for a filter presS, comprises 2 base plate covered by a diaphragm sheet having a filter surface and formed with a fluid passing opening communicating with a filtrate or wash liquor passage in the base plate. A cover made of material of higher hardness than the diaphragm sheet has a tubular portion which fits in the fluid passing opening to provide a fluid inlet or outlet. Since the tubular portion is harder than the sheet it retains its shape without expanding inwardly towards the centre when the sheet is subjected to press. on its opposite surfaces. Thus the fluid passing opening will not be constricted or blocked due to plastic deformation.
Patent DE-2639331-A1 (DE)
Title: Three-way distributing valve - has positioning element with one end axially slidable in chamber connected to control line
Inventor: STEINIGEN WOLFGANG
IPC: F15B13/04
Filed: 1976-09-01
Abstract: The three way distributing valve, together with the servo valve, is adaptable to the pressure medium flow vol. involved. The valve assembly is contained in the housing and comprises positioning units kept normally in the bottom position in a chamber by springs. The chambers are closed by covers with control line connections having lines connected to the servo valve. If the servo valve is shifted to the left, one valve position becomes operative. The control medium reaches the chamber and a positioning element rises against the spring force, while the non return valve remains closed.
Patent DE-2645046-A1 (DE)
Title: Long pipe handling system - has rail layout with diverging track sections separated at parallel runs by gap matching interval between vehicles
Inventor: BECKER KLAUS DIPL ING DR ING
IPC: B60L13/00
Filed: 1976-10-06
Abstract: The transport system is used to facilitate conveyance of elongated products, such as pipes in a pipe manufacturing works between working positions. Workpieces are held compactly in reserve between these points, ready for immediate use. A rail layout for vehicles has separate single track sections between its ends. There are also sections where the layout diverges into two tracks which are parallel. The interval between tracks, measured at right angles across the line, corresponds to the vehicles' interval one behind another on a track.
Patent DE-2645903-A1 (DE)
Title: Twin rotary piston two stroke engine - has broad radiused sealing wings in pistons and cylinder housing with compression antechamber
Inventor: WAGNER ALBERT
IPC: F02B53/00
Filed: 1976-10-12
Abstract: The twin-rotary piston (2,3) two-stroke engine as in 2510178, has piston with broad sealing wings having radiused outer surfaces. The cylinder housing (4) contains four cylindrical pre-chambers (V) which, during compression, receive the major part of the charge. This improves combustion, reduces heat losses and reduces the thermal loading of the covered piston surfaces, whilst the broad sealing wings have greater bending strength. The wings of small-dia, pistons may have internal cooling ducts with ribbed inner wall inserts and longitudinal partitions through which oil flows from the piston hub to the end faces of the pistons. Larger-dia, pistons may have welded-on wings with welded-on ribbed outer cooling jacket and internal oil ducts.